Home / 407,748,983.72-562,675,446.06-238,218,935

Finding the Fourth Proportional to 407,748,983.72, 562,675,446.06 and 238,218,935

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Solution

The fourth proportional to 407,748,983.72, 562,675,446.06 and 238,218,935 is: 328,731,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748,983.72 : 562,675,446.06 = 238,218,935 : x
  2. Step 2: Convert to fraction form
    407,748,983.72/562,675,446.06 = 238,218,935/x
  3. Step 3: Cross multiply
    407,748,983.72x = 562,675,446.06 × 238,218,935
  4. Step 4: Simplify right side
    407,748,983.72x = 134,039,945,511,063,136
  5. Step 5: Solve for x
    x = 134,039,945,511,063,136/407,748,983.72
  6. Step 6: Final answer
    x = 328,731,525.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.